Hayate Ayasaki's first love, though named Athena Tennousu, has lost her memories and now lives as a child named Alice. Setting aside the reason why all this happened, episode 3 follows the lonely young Athena Tennousu, now nicknamed "A-tan," and Hayate as they get wrapped up in a bit of a criminal incident...
Another great day to 
have fun skipping!
¡Hoy también me divertiré
 y no iré a la escuela!
¡Hoy también me divertiré
 y no iré a clase!
Hoje é outro ótimo dia 
para ficar saltitando!